Dec 18 11:02:15.253 INFO checking solana-jsonrpc-ws-server-0.4.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:02:15.253 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/solana-jsonrpc-ws-server/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:02:15.506 INFO [stdout] e57134f6128c4f83a9d89f9cdff0d2f7928362bab98c3664670a551ea820f4b6
Dec 18 11:02:15.510 INFO running `"docker" "start" "-a" "e57134f6128c4f83a9d89f9cdff0d2f7928362bab98c3664670a551ea820f4b6"`
Dec 18 11:02:16.965 INFO [stderr]     Checking solana-ws v0.2.0
Dec 18 11:02:16.965 INFO [stderr]     Checking solana-jsonrpc-core v0.4.0
Dec 18 11:02:18.760 INFO [stderr]     Checking solana-jsonrpc-server-utils v0.4.0
Dec 18 11:02:20.792 INFO [stderr]     Checking solana-jsonrpc-ws-server v0.4.0 (/opt/crater/workdir)
Dec 18 11:02:23.324 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 11:02:23.325 INFO [stderr]   --> src/error.rs:7:1
Dec 18 11:02:23.325 INFO [stderr]    |
Dec 18 11:02:23.325 INFO [stderr] 7  | / error_chain! {
Dec 18 11:02:23.325 INFO [stderr] 8  | |     foreign_links {
Dec 18 11:02:23.325 INFO [stderr] 9  | |         Io(io::Error);
Dec 18 11:02:23.325 INFO [stderr] 10 | |     }
Dec 18 11:02:23.325 INFO [stderr] ...  |
Dec 18 11:02:23.325 INFO [stderr] 18 | |     }
Dec 18 11:02:23.325 INFO [stderr] 19 | | }
Dec 18 11:02:23.325 INFO [stderr]    | |_^
Dec 18 11:02:23.325 INFO [stderr]    |
Dec 18 11:02:23.325 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 11:02:23.325 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 11:02:23.325 INFO [stderr] 
Dec 18 11:02:23.438 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 11:02:23.439 INFO [stderr]   --> src/error.rs:7:1
Dec 18 11:02:23.439 INFO [stderr]    |
Dec 18 11:02:23.439 INFO [stderr] 7  | / error_chain! {
Dec 18 11:02:23.439 INFO [stderr] 8  | |     foreign_links {
Dec 18 11:02:23.440 INFO [stderr] 9  | |         Io(io::Error);
Dec 18 11:02:23.440 INFO [stderr] 10 | |     }
Dec 18 11:02:23.440 INFO [stderr] ...  |
Dec 18 11:02:23.440 INFO [stderr] 18 | |     }
Dec 18 11:02:23.440 INFO [stderr] 19 | | }
Dec 18 11:02:23.440 INFO [stderr]    | |_^
Dec 18 11:02:23.440 INFO [stderr]    |
Dec 18 11:02:23.440 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 11:02:23.440 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 11:02:23.440 INFO [stderr] 
Dec 18 11:02:25.656 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.93s
Dec 18 11:02:26.296 INFO running `"docker" "inspect" "e57134f6128c4f83a9d89f9cdff0d2f7928362bab98c3664670a551ea820f4b6"`
Dec 18 11:02:26.490 INFO running `"docker" "rm" "-f" "e57134f6128c4f83a9d89f9cdff0d2f7928362bab98c3664670a551ea820f4b6"`
Dec 18 11:02:26.616 INFO [stdout] e57134f6128c4f83a9d89f9cdff0d2f7928362bab98c3664670a551ea820f4b6